Mass-spectrometric analysis is a precision technique for analyzing trace elements and determining isotopic ratios. Three kinds of errors--statistical, instrumen
Samples of oil-field waters taken frown ten major oil-gas-bearing basins and more than fifty oil fields in China were studied on the basis of various bond param
The material source, physico-chemical conditions and reworking geological agents have been explored of stratabotmd Pb-Zn-barire deposits occurring in western Qi
REE geochemistry has been studied with respect to sea-floor sediments in the continental shelf of East China Sea. The average content of RE2O3 is derived as 175